Pool



FIG. 1 is a top perspective view of an embodiment of the pool;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the figures are for the purpose of illustrating unclaimed portions of the invention that form no part of the claimed design. 

CLAIM The ornamental design for a pool, as shown and described. 